These handy popups by VisiBone will open a separate window to the left side of your screen for quick reference and will get out of your way and hide as soon as you click on another window screen, ready for when you need it next.
Use these popups online, or download the Desktop Popup zip file below to use them offline. Big thanks to VisiBone for this wonderful free service mirrored here (with permission) for your convenience. We wholeheartedly recommends VisiBone's exceptional tools, well known in the design community.
The HTML Popup by VisiBone is a tall skinny on-screen quick reference showing all HTML tags and attributes in use or universal.
color-coded indications of support by Netscape®, Microsoft® Internet Explorer and W3C®,
style sheet alternatives, and
bug and clash icons with details online.
Read AT : http://websitetips.com/visibone/